/*
 * Copyright (c) 2012 Robert Burrell Donkin robertburrelldonkin.name
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
 * and associated documentation files (the "Software"), to deal in the Software without restriction, 
 * including without limitation the rights to use, copy, modify, merge, publish, distribute, 
 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software 
 * is furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all copies or 
 * substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 
 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 * 
 */
package sekhmet.audio.sink;

import java.util.concurrent.BlockingQueue;

import sekhmet.audio.data.AudioData;
import sekhmet.audio.data.SignalData;
import sekhmet.base.AbstractRunner;

public abstract class AbstractSink extends AbstractRunner {

	private final BlockingQueue<SignalData> queue;

	protected abstract void use(final AudioData buffer);

	public AbstractSink(BlockingQueue<SignalData> queue) {
		super();
		this.queue = queue;
	}

	@Override
	protected void prepare() throws Exception {
	}

	@Override
	protected void work() {
		try {
			final SignalData data = queue.take();
			switch (data.getType()) {
				case DATA:
					final AudioData buffer = data.getBuffer();
					use(buffer);
					break;
				case END:
					stop();
					break;
			}
		} catch (InterruptedException e) {
			e.printStackTrace();
		}
	}

}